/*
 * Interface to MK-54/MK-61 calculator via USB HIP port.
 *
 * Copyright (C) 2014 Serge Vakulenko
 *
 * Permission to use, copy, modify, and distribute this software
 * and its documentation for any purpose and without fee is hereby
 * granted, provided that the above copyright notice appear in all
 * copies and that both that the copyright notice and this
 * permission notice and warranty disclaimer appear in supporting
 * documentation, and that the name of the author not be used in
 * advertising or publicity pertaining to distribution of the
 * software without specific, written prior permission.
 *
 * The author disclaim all warranties with regard to this
 * software, including all implied warranties of merchantability
 * and fitness.  In no event shall the author be liable for any
 * special, indirect or consequential damages or any damages
 * whatsoever resulting from loss of use, data or profits, whether
 * in an action of contract, negligence or other tortious action,
 * arising out of or in connection with the use or performance of
 * this software.
 */
typedef struct _device_t device_t;

device_t *device_open (int debug_level);

void device_close (device_t *t);

void device_read_stack (device_t *t, unsigned char stack[][6]);

void device_read_regs (device_t *t, unsigned char stack[][6]);

void device_read_program (device_t *t, unsigned char data[]);

void device_write_program (device_t *t, unsigned char data[]);

int device_code_nbytes (void);

int device_data_nregs (void);
